English Reference
noun · verb

thread

n. · v.
US /ˈθɹɛd/ UK /θɹˈɛd/ thread UK spelling threading

  1. 01 B1 Intermediate

    n.a long, thin strand of cotton or silk used for sewing clothes.

    n.a fine cord of twisted textile fibres used in needlework and garment construction.

    Simple

    She chose a blue thread that perfectly matched the colour of her new dress.

    In context

    The tailor selected a high-tensile silk thread to ensure the seams of the heavy coat would not burst under pressure.

  2. 02 B1 Intermediate Computing

    n.a series of connected messages or comments on a website or social media app.

    n.a chronological sequence of online posts or messages related to a single original topic.

    Simple

    I found a very helpful thread on the forum about how to fix my laptop.

    In context

    The discussion thread grew to over three hundred comments as users debated the merits of the new software update.

  3. 03 B2 Upper Intermediate

    n.the idea or story that connects different parts of a book or speech.

    n.a consistent theme or logical progression that connects the successive points of a narrative or argument.

    Simple

    It was hard to follow the thread of his story because he kept changing the subject.

    In context

    The detective struggled to find a common thread between the three seemingly unrelated crimes committed across the city.

  4. 04 C1 Advanced Technical Computing

    n.a small part of a computer program that can run at the same time as other parts.

    n.the smallest unit of programmed instructions that can be managed independently by a scheduler.

    Simple

    The application uses a separate thread to download files so the screen doesn't freeze.

    In context

    By implementing multi-threading, the developers allowed the engine to process physics calculations and rendering logic simultaneously.

  5. 05 C1 Advanced Technical Engineering

    n.the raised spiral line around a screw or bolt.

    n.a helical ridge on a cylindrical fastener or within a hole, designed to convert rotation into linear motion.

    Simple

    The screw wouldn't go in because the thread was damaged.

    In context

    The engineer specified a fine thread for the adjustment bolt to allow for more precise control over the tension.

  6. 06 B1 Intermediate

    v.to put a piece of thread through the small hole in a needle.

    v.to pass a length of filament through the eye of a needle or the guides of a sewing machine.

    Simple

    He had to squint in the dim light to thread the needle.

    In context

    Before she could begin the embroidery, she had to thread the machine with a delicate metallic yarn that frequently snapped.

  7. 07 B2 Upper Intermediate

    v.to move carefully through a crowded or narrow place.

    v.to make one's way through a series of obstacles or a crowded space with precision.

    Simple

    The waiter had to thread his way through the crowded restaurant with a heavy tray.

    In context

    The motorcyclist expertly threaded through the stationary traffic, reaching the front of the queue just as the lights turned green.

  8. 08 B2 Upper Intermediate

    v.to remove unwanted hair using a piece of twisted string.

    v.to remove facial hair by using a doubled and twisted thread to pluck multiple hairs simultaneously.

    Simple

    She goes to the salon every three weeks to have her eyebrows threaded.

    In context

    Threading is often preferred over waxing for sensitive skin because it does not involve the use of harsh chemicals or heat.

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Toronto Sun· 14 Aug 2026

An HIV thread runs through the story, and if "you're negotiating safe sex, you don't have a say in a relationship with those kinds of dynamics", she says.

BBC News· 14 Aug 2026

From Middle English thred, þred, threed, from Old English þrǣd, from Proto-Germanic þrēduz, from Proto-Indo-European treh₁-tu-s, from *terh₁- (“rub, twist”). Cognates Cognate with Yola dreade (“thread”), Saterland Frisian Träid (“thread, wire”), Cimbrian draat (“string, thread”), Dutch draad (“thread, wire”), German Draht (“thread, wire”), Luxembourgish Drot (“wire”), Danish, Norwegian Bokmål, Norwegian Nynorsk and Swedish tråd (“thread, wire”), Faroese tráður (“thread”), Icelandic þráður (“thread”). Non-Germanic cognates include Albanian dredh (“twist, turn”). More at throw.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin gem-pro *þrēduz
Level C1 · Advanced
Frequency Common
Updated